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Geekflare Lighthouse API can accept the following parameters.
  • --screenEmulation
  • --screenEmulation.disabled
  • --emulatedUserAgent
  • --only-audits
  • --only-categories
  • --throttling-method
  • --extra-headers
  • --chrome-flags
  • --no-emulatedUserAgent
  • --blocked-url-patterns
  • --output
  • --preset
In order to use these parameters, pass them in a parameters JSON array in the request body payload. Let’s explore some of the examples. Run only SEO audit 
{
    "url": "https://example.com/",
    "parameters": [
      "--only-categories=seo"
  ]
}
Save output in HTML format 
{
    "url": "https://example.com/",
    "parameters": [
      "--output=html"
  ]
}
Run a single audit 
{
    "url": "https://example.com/",
    "parameters": [
      "--only-audits=image-alt"
  ]
}
Run Lighthouse using Proxy 
{
    "url": "https://example.com/",
    "proxyCountry": "fr",
    "parameters": [
      "--only-categories=seo"
  ]
}
You can also use multiple parameters 
{
    "url": "https://example.com/",
    "parameters": [
      "--only-categories=seo",
      "--output=html"
  ]
}